Organic Chemicals

Names and Identifiers

Name	Maleimide
Synonyms	Maleimide NSC 13684 maleicimide Maleinimide Maleic imide ASISCHEM S97810 2,5-Pyrroledione PYRROLE-2,5-DIONE MALEIC ACID IMIDE 1h-pyrrole-2,5-dione 2,5-dioxo-3-pyrroline 3-Pyrroline-2,5-dione 5-hydroxy-2H-pyrrol-2-one 2,5-Dioxo-2,5-dihydropyrrole 1H-Pyrrole-2,5-dione,2,5-Pyrroledione 2,5-Dioxo-3-pyrroline~1H-Pyrrole-2,5-dione 1H-Pyrrole-2,5-dione, 2,5-Dihydro-2,5-dioxo-1H-pyrrole
CAS	541-59-3
EINECS	208-787-4
InChI	InChI=1/C4H3NO2/c6-3-1-2-4(7)5-3/h1-2H,(H,5,6,7)
InChIKey	PEEHTFAAVSWFBL-UHFFFAOYSA-N

​Physico-chemical Properties

Molecular Formula	C4H3NO2
Molar Mass	97.07
Density	1,2493 g/cm3
Melting Point	91-93 °C (lit.)
Boling Point	97-103°C 5mm
Flash Point	97-103°C/5mm
Water Solubility	SOLUBLE
Solubility	soluble in Methanol
Appearance	Crystallization
Color	White to slightly yellow
Maximum wavelength(λmax)	[‘280nm(EtOH)(lit.)’]
BRN	106910
pKa	8.52±0.20(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	1.4543 (estimate)
MDL	MFCD00005494
Physical and Chemical Properties	Light yellow crystalline powder
Use	for organic synthesis. Rhodium-catalyzed arylation of arylboric acid.

Risk and Safety

Risk Codes	R25 – Toxic if swallowed R34 – Causes burns R43 – May cause sensitization by skin contact R36/37/38 – Irritating to eyes, respiratory system and skin. R36 – Irritating to the eyes
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 – Wear suitable gloves and eye/face protection S28A – S7/9 –
UN IDs	UN 2923 8/PG 2
WGK Germany	3
RTECS	ON4800000
TSCA	Yes
HS Code	29251995
Hazard Class	8
Packing Group	III

Maleimide Use Chemical products are used in the medicine industry in a variety of ways. Some of the most common uses are to create medicines, create medical devices, and manufacture pharmaceuticals. For example, chemical products are used in the making of medications, such as antibiotics and painkillers. Chemical products are also used to produce medical devices, such as pacemakers and artificial organs, and to create pharmaceuticals for the treatment of various ailments and diseases. Chemical materials are closely related to industrial production and people’s life. Chemical materials are used as raw materials in many fields. The production of chemical materials is also directly related to plant operation efficiency and people’s life quality. It involves polymer materials, aviation materials, building materials, etc. Chemical products used in the food industry include food additives, preservatives, and colorings. Food additives are used to enhance the flavor, texture, and appearance of a food product. Examples of food additives include emulsifiers, stabilizers, thickeners, sweeteners, and flavorings. Preservatives are used to extend shelf life and prevent spoilage. Examples of preservatives include sodium benzoate, potassium sorbate, and sodium nitrite. Colorings are used to improve the aesthetic appeal of food products. Examples of colorings used in the food industry include carotene, annatto and turmeric.,Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

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